Development and validation of a prediction model for 30-day mortality in hospitalised patients with COVID-19: the COVID-19 SEIMC score
- Berenguer, Juan
- Borobia, Alberto M
- Ryan, Pablo
- Rodríguez-Baño, Jesús
- Bellón, Jose M
- Jarrín, Inmaculada
- Carratalà, Jordi
- Pachón, Jerónimo
- Carcas, Antonio J
- Yllescas, María
- Arribas, José R
1 Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
2 Clinical Pharmacology, Hospital Universitario La Paz, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Universidad Autónoma de Madrid, Madrid, Spain
3 Infectious Diseases, Internal Medicine Service, Hospital Universitario Infanta Leonor, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
4 Infectious Diseases and Microbiology Unit, Hospital Universitario Virgen Macarena, Instituto de Biomedicina de Sevilla (IBiS), Department of Medicine, Universidad de Sevilla, Sevilla, Spain
5 Fundación Investigación Biomédica, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
6 National Centre for Epidemiology, Institute of Health Carlos III, Madrid, Comunidad de Madrid, Spain
7 Infectious Diseases, Hospital Universitario de Bellvitge, Instituto de Investigación Biomédica de Bellvitge (IDIBELL), Universitat de Barcelona, Barcelona, Spain
8 Infectious Diseases, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla (IBiS), Department of Medicine, Universidad de Sevilla, Sevilla, Spain
9 Fundación SEIMC-GESIDA, Madrid, Spain
10 Infectious Diseases Unit, Internal Medicine Service, Hospital Universitario La Paz, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
Dr Juan Berenguer, Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid 28007, Spain; [email protected]
Received August 14, 2020
Received in revised form January 11, 2021
Accepted February 01, 2021
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Collaborators COVID-19@Spain and COVID@HULP Study Groups: Esther Aznar; Pedro Gil; Patricia Gonzalez; Clara Muñoz; Juan C López; Margarita Ramírez-Schacke; Isabel Gutiérrez; Francisco Tejerina; Teresa Aldámiz-Echevarría; Cristina Díez; Chiara Fanciulli; Leire Pérez-Latorre; Francisco Parras; Pilar Catalán; María E García-Leoni; Isabel Pérez-Tamayo; Luis Puente; Jamil Cedeño; Marta Díaz; Fernando de la Calle; Marta Arsuaga; Elena Trigo; M del Mar Lago; Rosa de Miguel; Julen Cadiñaños; Carmen Busca; Alfredo Mican; Marta Mora; Juan Carlos Ramos; Belén Loeches; José I Bernardino; Julio García; Ana Such; Elena Álvaro; Elsa Izquierdo; Juan Torres; Guillermo Cuevas; Jesús Troya; Beatriz Mestre; Eva Jiménez; Inés Fernandez; Ana J Tebar; Fátima Brañas; Jorge Valencia; Mario Pérez; Marta Alvarado; Pablo Ryan; M Antonia Sepúlveda; Carmen Yera; Pilar Toledano; Verónica Cano; Sadaf Zafar; Gema Muñiz; Inmaculada Martín; Helena Mozas; Ana Alguacil; M Paz García; Ana I Peláez; Elena Morcillo; Josune Goikoetxea; M José Blanco; Javier Nieto; Mikel del Álamo; Isabel A; Pérez; Inés Pérez; Rafael Silvariño; Jon Ugalde; Víctor Asensi; Lucia Suárez; Silvia Suárez; Carmen Yllera; Vicente Boix; Marcos Díez; Melissa Carreres; Cristina Gómez-Ayerbe; Javier Sánchez-Lora; José L Velasco; María López-Jódar; Jesús Santos; Jesús Ruiz; Ianire Virto; Vanessa Alende; Ruth Brea; Sonia Vega; Estel Pons; Oscar Del Río; Silvia Valero; Judit Villar-García; Joan Gómez-Junyent; Hernando Knobel; M Cecilia Cánepa; Silvia Castañeda; Luisa Sorli; Roberto Güerri-Fernández; María Milagro; Juan P Horcajada; Elisa García; Encarnación Moral; Alicia Hernádez; Esther García; Carmen Sáez; Zineb Karroud; José Hernández; David Vinuesa; José L García; José A Peregrina; María Novella; Cristina Hernández; José Sanz; Ramón Pérez; Rodrigo Sierra; David Alonso; Aida Gutiérrez; Alberto Arranz; Juan Cuadros; Melchor Álvarez de Mon; Vicente F Díaz De Brito; Montserrat Sanmarti; Aina Gabarrell; Daniel Molina; Sergio España; Jonathan Cámara; Albert Sabater; Laura Muñoz; Paula Sáez; Esperanza Bejaranao; Marco A Sampere; Salvador Álvarez; Ignacio De los Santos; Lucio García-Fraile; Miguel Sampedro; Ana Barrios; Carlos Rodríguez; Daniel Useros; Almudena Villa; Javier Oliver; Alexia C Espiño; Jesús Sanz; María Rexach; Ivette Abascal; Ana del C Pérez; Clara Sala; Susana Casas; Cecilia Tortajada; Carmina Oltra; Mar Masiá; Félix Gutiérrez; Ana Ferrer; Carlos Bea; Miguel Pedromingo; M Ángeles Garcinuño; Silvana Fiorante; Sergio Pérez; Pilar Hernández; Violeta A Alastrué; M Carmen Fariñas; Claudia González; Francisco Arnaiz; Jorge Calvo; Mónica Gonzalo; Francisco Mora; Ana Milagro; Miriam Latorre-Millán; Antonio Rezusta; Ana Martínez; Yolanda Meije; Alejandra Duarte; Julia Pareja; Mercedes Clemente; Juan E Losa; Ana Vegas; M Teresa Pérez-Rodríguez; Alexandre Pérez; Moncef Belhassen-García; Beatriz Rodríguez-Alonso; Amparo López-Bernus; Cristina Carbonell; Rafael Torres; Juan Catón; Blanca Alonso; Sara L Kamal; Lucia Cajuela; David Roa; Miguel Cervero; Alberto Orejas; Juan P Avilés; Lidia Martín; Iván Pelegrín; Rosana Rouco;Jorge Parra; Violeta Ramos; Jessica Abadía; Juan Salillas; Robert Torres; Miguel Torralba; Alberto Serrano; Sergio Gilaberte; Marina Pacheco; Mónica Liébana; Sara Fernández; Álvaro Varela; Henar Calvo; Patricia Martínez; Patricia González- Ruano; Eduardo Malmierca; Isabel Rábago; Beatriz Pérez-Monte; Ángeles García; Pere Comas; Merce Sirisi; Richard Rojas; José L Díaz de Tuesta; Ruth Figueroa; Ander González; Remedios Alemán; M del Mar Alonso; Oscar Sanz; Karim M Ramírez; Melchor Riera; Helem H Vilchez; Francesc Albertí; Ana I Cañabate; Víctor J Moreno; Silvia Álvarez; Beatriz Álvarez; Alejandro García; Elena Isaba; Covadonga Morcate; Andrea Pérez; Lucía Ramos; Laura Castelo; María Rodríguez; Mónica González; Efrén Sánchez; Enrique Míguez; Javier De la Torre; José M García de Lomas; Elena Morte; Silvia Loscos; Ana Camón; Lucía Gómez; Lucia Boix; Beatriz Dietl; Iris Pedrola; Amparo Blasco; Cristina López; Esther Fraile; Tomás Tosco; María Aroca; José T Algado; Ana M Garijo; Concepción Amador; Pilar Retamar; Adoración Valiente; Luis E; López-Cortés; Jesús Sojo; Belén Gutiérrez-Gutiérrez; José Bravo-Ferrer; Elena Salamanca; Zaira R; Palacios; Patricia Pérez-Palacios; Enrique Peral; José A Pérez de León; Jesús Sánchez-Gómez; Lucía Marín-Barrera; Domingo García-Jiménez; Gabriela Abelenda-Alonso; Carmen Ardanuy; Alba Bergas; Guillermo Cuervo; M Ángeles Domínguez; Miguel Fernández-Huerta; Carlota Gudiol; Laia Lorenzo-Esteller; Jordi Niubó; Sandra Pérez-Recio; Daniel Podzamczer; Miquel Pujol; Alexander Rombauts; Núria Trullen; Miguel Salavert; Iván Castro; Adriana Hernández; Raquel Martínez; Marta Navarro; Sonia Calzado; Manuel Cervantes; Aina Gomila; Oriol Gasch; M Luisa Machado; Eva Van den Eynde; Luis Falgueras; M del Carmen Navarro; Esteban Martínez; M Ángeles Marcos; Mar Mosquera; José L Blanco; Montserrat Laguno; Jhon Rojas; Ana González-Cordón; Alexy Inciarte; Berta Torres; Lorena De la Mora; Alex Soriano; Olalla Martínez; Virginia Pérez; Alfonso Cabello; Nerea Carrasco; Beatriz Álvarez; Elizabet Petkova; Miguel Górgolas; Laura Prieto; Irene Carrillo; Sara Heili; Felipe Villar; Ricardo Fernández; José Milicua; Virginia Fernández; Carlos J Dueñas; Cristina Hernán; Fernando González-Romo; Paloma Merino; Alba Rueda; Jorge Martínez; Sara Medrano; Irene Díaz; Yolanda Posada; Alberto Delgado-Iribarren; Joaquín López-Contreras; Pablo Pascual; Virginia Pomar; Nuria Rabella; Natividad Benito; Pere Domingo; Xavier Bonfill; Rafael Padrós; Mireia Puig; Jordi Mancebo; Mercè Gurguí; Melania Íñigo; Alejandra Pérez; Patricia Sorní; Nora Izko; Francisco J Membrillo; María Simón; Maribel Zamora; Yolanda Martínez; Pablo Fernández-González; Francisco Alcántara; Alejandro Aguirre; Elena López; Germán Ramírez-Olivencia; Miriam Estébanez; Ester Sáez de Adana; Joseba Portu; Juan C Gainzarain; Zuriñe Ortiz de Zárate; Miguel A Moran; Andrés Canut; Silvia Hernáez; Leire Balerdi; Cristina Morales; Miguel Corral; Zeltia Valcarce; Noelia Arenal; Raquel E Rodríguez; Laura Iglesias; Beatriz Loureiro; Adrián Sánchez; Juan Espinosa; Benito Almirante; Marta Miarons; Júlia Sellarés; María Larrosa; Sonia García; Blanca Marzo; Miguel Villamarín; Nuria Fernández; Conchita Pérez-Jorge; Elena Resino; Andrea Espigares; Teresa Álvarez de Espejo; Iván Navas; M Isabel Quijano; Luis A Nieto; Guillermo Jiménez; Mercedes Guillamón; Josefina García; Constanza Muñoz; Ana Mariño; Nieves Valcarce; Alex Smithson; Cristina Chico; Adriana Sánchez; Eva P García; Isabel Jiménez; Guillermo Estrada; María Lorén; Nuria Parra; Carmen Martínez; Aránzazu Villasante; Teresa García; M José Ruiz; Marta Robledo; Juan C Abad; José R Muñoz; Montaña Jiménez; Javier Coy; Inmaculada Poquet; Marta Santos; Virginia Naranjo; Tamara Manso; Delia Quilez; Gema Barbeito; M Jesús Domínguez; Laura Mao; Rodrigo Alonso; Jose D Ampuero; Raquel Barrós; M Aránzazu Galindo; Lourdes Herrera; Rocío Martínez; Sara Rodrigo; Cristóbal M Rodríguez; Eva M Romay; Roi Suárez; Maialen Ibarguren; José M Marimón; Loreto Vidaur; Xabier Kortajarena; Miriam García; Asier Aranguren; Maria Álvarez; Cintia M Martínez; Francisco Rodríguez; Francisco Muñoz; Elena Chamarro; Merce Cardona; Ismail Zakariya-Yousef; Marta Rico; Jara Llenas; M Carmen Sánchez; Ana Fernández; Jorge Calderón; Marcos López; Antonio Ramos; Elena Múñez; Alejandro Callejas; José M Vázquez; Itziar Diego; Esther Expósito; Jorge Anel; Raquel Álvarez; Lucía Fernández; Roberto Vates; Andrés F Cardona; Pablo Marguenda; Gabriel Gaspar; Elena M Aranda; Blanca Martínez; Daniel Roger; Irene Martín; André Barbosa; Iván Piñero; Alberto Bahamonde; Paula Runza; Eva Talavera; Marta Lamata; Ainhoa Urrutia; Lorea Arteche; Elisabet Delgado; Virginia Molina; Sarah Caro; Gema Domínguez; Carolina Roldán; Carmen Herrero; Luis Force; Raquel Aranega; Arantzazu Mera; M Roca Toda; Nicolas Merchante; Eva M León; José L Del Pozo; Josefa Serralta; Ginger G Cabrera; Mario Fernández-Ruiz; José M Aguado; Guillermo Maestro; José M Cisneros; Manuela Aguilar-Guisado; Teresa Aldabó; M Dolores Avilés; Claudio Bueno; Elisa Cordero-Matía; Ana Escoresca; Lydia Gálvez-Benítez; Carmen Infante; Guillermo Martín; Julia Praena; Cristina Roca; Celia Salamanca; Alejandro Suárez-Benjumea; Pilar Vizcarra; Carmen Quereda; Mario J Rodriguez; Francesca Gioia; Francesca Norman; Santos Del Campo; Rafael Cantón; José A Oteo; Paula Santibáñez; Cristina Cervera; Carlos Ruiz; José R; Blanco; José M Azcona; Concepción García; Jorge Alba; Valvanera Ibarra; Mercedes San Franco; Luis Metola; Héctor Meijide; Silvia Paulos; Justo Menéndez; Paula Villares; Lara Montes; Álvaro Navarro; Anna Ferrer; M de la Luz Padilla; Lucy Abella; Marcelino Hayek; Antonio García; Carolina Hernández; Andrés J Ruiz; Isabel Barrio; Alí Martakoush; Agustín Rojas-Vieyra; Sonia García; Mercedes Villarreal; Marta Vizcaíno; M Pilar García; Ana Lérida; Natalia Carrasco; Beatriz M Sanjuan; Lydia Martín; Camilo Sanz; Belén Alejos; Cristina Moreno; Marta Rava; Carlos Iniesta; Rebeca Izquierdo; Inés Suárez-García; Asunción Díaz; Marta Ruiz-Alguero; Victoria Hernando; J Frías; E Ramírez; A Martín-Quirós; M Quintana; J Mingorance; F Arnalich; F Moreno; JC Figueiras; N García-Arenzana; M Dolores Montero; MP Romero; C Toro-Rueda; S García-Bujalance; G Ruiz-Carrascoso; E Cendejas-Bueno; I Falces-Romero; F Lázaro-Perona; M Ruiz-Bastián; A Gutiérrez-Arroyo; P Girón De Velasco-Sada; E Dahdouh; B Gómez-Arroyo; C García-Sánchez; V Guedez-López; I Bloise; M Alguacil-Guillén; M Gracia Liras-Hernández; M Sánchez-Castellano; P García-Clemente; P González-Donapetry; S San José-Villar; M de Pablos; R Gómez-Gil; M Corcuera; A; Rico-Nieto; B; Loeches; J Mingorance; J García Rodríguez; F Moreno; A Herrero; D Prieto Arribas; P Oliver-Saez; R Mora; P Fernández-Calle; MJ Alcaide; J Diaz-Garzón; B Fernández-Puntero; R Nuñez; G Crespo; O Rodriguez; H Mendez; M Duque; R Gomez; M Sanz de Pedro; L Pascual; M Segovia; JM Iturzaeta; M Rodriguez; A García; MA Martinez; B Fabre; E Martinez; I Moreno; N Rodriguez; D Ortiz; M Simon; IG Tomoiu; C Pizarro; B Montero; AL Qasem; M Gomez; I Casares; A Buño; M Martí de Gracia; L Parra Gordo; A Diez Tascón; S Ossaba Vélez; I Pinilla; E Cuesta; M Fernández- Velilla; M Torres; G Garzón; V Pérez; A Quintás; I San Juan; J Cantero; C Pérez; M Castro; L Hernández; T Pedraz; E Fernández; C García; A Robustillo; I Fernández; M Noguerol; A Martínez; M González; R Cabrera; R Mayayo; R Marín; V Lo-Iacono; M Lerín; P Romero; B Reche; R Tejada; M Rico; R Deza; S Fabra; I Arroyo; L Dani; L Labajo; R Soriano; L López; E Calvin; S Martñinez; L López-Tappero; M Pilares; O González; G Bejarano; A Iglesias; Y Tung; C Maroun; R Bravo; M Silvestre; F Perdomo; B Alonso; B Antón; I Arenas; C Cabré; F Marqués; E Muñoz; MA Molina; N Cancelliere; S Pastor; L Frade; P López; I García; C Fernández Capitán; JJ González Garcia; JM Herrero; MA Quesada Simón; A Robles Marhuenda; JI Bernardino; M Mora; C Soto Abanedes; AM Noblejas Mozo; JC Ramos; B Diaz Pollán; MJ Jaras Hernandez; E Martinez Robles; A Moreno Fernandez; R Montejano; A Sanchez Purificación; JC Martin Gutiérrez; PL Martinez Hernández; F la Calle; M Arsuaga; M Diaz Menéndez; E Trigo; C Busca Arenzana; T Sancho Bueso; A Lorenzo Hernández; B Gutierrez Sancerni; G; Salgueiro; L; Martin Carbonero; J; Mostaza; R; de Miguel; M;A; Martinez-López; V; Hontañon; A; Menéndez; J; Cadiñanos; J Alvarez Troncoso; A Castellano; C Marcelo Calvo; I Vives Beltrán; L Ramos Ruperto; G Daroca Bengoa; MM Arcos Rueda; J Vasquez Manau; P Fernández Cidón; C Rosario Herrero Gil; E Palmier Peláez; Y Untoria Tabares; C; Lahoz; E; Estirado; C Hernández; F; Garcia-Iglesias; E; Monteoliva; M Martínez; M; Varas; T; González Alegre; ME Valencia; V Moreno; ML Montes; S Alcolea; J Cabanillas; C Carpio; R Casitas; J Fernández-Bujarrabal; I Fernández Navarro; J Fernández Lahera; C García Quero; M Hidalgo; R Galera; F García Río; L Gómez Carrera; M Gómez Mendieta; A Mangas; E Martínez Cerón; M Martínez Redondo; Y Martínez Abad; A Martínez-Verdasco; C Plaza; S Quirós; D Romera; D Romero; B Sánchez; A Santiago; C Villasante; E Zamarrón; V Arnalich; P Mariscal; A Falcone; D Laorden; MC Prados; R Álvarez-Sala; A García; C Arévalo; C Gutiérrez; JC Figueira; M Quintana; S Yus; MJ Asensio; M Sánchez; JM Añón; J Manzanares; A García de Lorenzo; E Perales; B Civantos; L Cachafeiro; A Agrifoglio; B Estébanez; E Flores; M Hernández; P Millán; M Rodríguez; C Gutiérrez; K Nanwani; B Arizcun; E Pérez; D Rodríguez; M Sánchez; U Quesada; C Román; P Dorao; E Alvarez-Rojas; JJ Menendez-Suso; C Verdu; A Gómez-Zamora; C Schuffelman; B Calderón; M Laplaza; M del Rio; I Amores; M Rodriguez-Rubio; P de la Oliva;J Ruiz; S Rosillo; O González; A Iniesta; I Ponz; JM Muñoz Ramón; MC Hernández Gancedo; R Uña Orejón; P Sanabria Carretero; I Moreno Gomez-Limón; A Seiz-Martinez; E Guasch-Arévalo; C Martín-Carrasco; E Alvar; L Serrá; F Iannucelli; J Latorre; S Casares; I Valbuena; L Díaz Díez Picazo; C Rodríguez Roca: O Cervera; E García de las Heras; P Durán; C Castro; C Manrique de Lara; J Veganzones; A López Tofiño; E Fernandez-Cerezo; S Zurita; S Casares; M López-Martinez; T Prim; J Alvárez del Vayo; G Alcaraz; L Castro; J Yagüe; S Díaz-Carrasco; P González-Pizarro; A Montero; FJ Sagra; A Suárez; L Díez Porres; M Varela Cerdeira; A Alonso Babarro; F Abellán; J Alonso; A Álvarez; M Archinà; S Arribas; T Baselga; P Barco; N Barrera; L Barrera; A Bartrina; G Bassani; P Betancort; I Blanco; C Blasco; L Brieba; F Cadenas; P Carrera; C Cascajares; A Catino; R Cavallé; D Ceniza; Y Conde; L Currás; M Daltro; A Esteban; M Fernández; I Ferrer; L Regaño; P Galindo; S Garcia-Bellido; C García-Mochales; T Gómez; C Gómez; N González; S González; J Guisández; P Hernández; R Hernando; I Llorente; A Marín; P López; L Mejuto; M Palma; A Peña; L Platero; D Pujol; M Ramírez; M Redondo; F Reinoso; A Rodríguez; A Rodríguez; L Romero; S Sánchez; M Sánchez; P Serrano; H Serrano; T Silva; E Soria; A Suárez; B Tejero; A Torrecillas; J Torres; M Valentín-Pastrana; A Villanueva; M Virgós; M Yagüe; N Yustas; J Montserrat; J Queiruga; A Rodriguez Mariblanca; L Martínez de Soto; M Urroz; E Seco; M Zubimendi; S Stuart; L Díaz; I García; MT García Morales; A Martín-Vega.
Contributors Study conception and design: JB, JRB and JRA. Acquisition, analysis or interpretation of data: JB, AMB, PR, JRB, JMB, IJ, JC, JP, AJC, MY and JRA. Statistical analysis: JMB, JB, IJ. Drafting of the manuscript: JB. Critical revision of the manuscript for important intellectual content: JB, AMB, PR, JRB, JMB, IJ, JC, JP, AJC, MY and JRA. Administrative, technical or material support: JB, AMB, PR, MY and JRA. Study supervision: JB, AMB, PR, JRB, JMB, IJ, JC, JP, AJC, MY and JRA are the guarantors of the study. The corresponding author attests that all listed authors meet authorship criteria and that no others meeting the criteria have been omitted.
Funding This work was supported by Fundación SEIMC/GeSIDA. The funders had no role in study design, data collection, data interpretation or writing of the manuscript. JB, JRB, IJ, JC, JP and JRA received funding for research from Plan Nacional de I+D+i 2013–2016 and Instituto de Salud Carlos III, Subdirección General de Redes y Centros de Investigación Cooperativa, Ministerio de Ciencia, Innovación y Universidades, cofinanced by the European Development Regional Fund “A way to achieve Europe”, Operative program Intelligent Growth 2014–2020. Spanish AIDS Research Network (RIS) (RD16/0025/0017 (JB), RD16/0025/0018 (JRA), RD16CIII/0002/0006 (IJ)). Spanish Network for Research in Infectious Diseases (REIPI) (RD16/0016/0001 (JRB), RD16/0016/0005 (JC) and RD16/0016/0009 (JP)).
Competing interests JB reports grants and personal fees from GILEAD, MSD and ViiV Healthcare; and personal fees from JANSSEN, outside the submitted work. PR reports grants and personal fees from GILEAD and MSD; and personal fees from AbbVie and ViiV Healthcare, outside the submitted work. IJ reports personal fees from GILEAD and ViiV Healthcare, outside the submitted work. JRA reports grants and personal fees from GILEAD and ViiV Healthcare; and personal fees from ALEXA, MSD, JANSSEN, SERONO and TEVA, outside the submitted work. The remaining authors have nothing to disclose.
Provenance and peer review Not commissioned; externally peer reviewed.
ABSTRACT
Objective
To develop and validate a prediction model of mortality in patients with COVID-19 attending hospital emergency rooms.
Design
Multivariable prognostic prediction model.
Setting
127 Spanish hospitals.
Participants
Derivation (DC) and external validation (VC) cohorts were obtained from multicentre and single-centre databases, including 4035 and 2126 patients with confirmed COVID-19, respectively.
Interventions
Prognostic variables were identified using multivariable logistic regression.
Main outcome measures
30-day mortality.
Results
Patients' characteristics in the DC and VC were median age 70 and 61 years, male sex 61.0% and 47.9%, median time from onset of symptoms to admission 5 and 8 days, and 30-day mortality 26.6% and 15.5%, respectively. Age, low age-adjusted saturation of oxygen, neutrophil-to-lymphocyte ratio, estimated glomerular filtration rate by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation, dyspnoea and sex were the strongest predictors of mortality. Calibration and discrimination were satisfactory with an area under the receiver operating characteristic curve with a 95% CI for prediction of 30-day mortality of 0.822 (0.806-0.837) in the DC and 0.845 (0.819-0.870) in the VC. A simplified score system ranging from 0 to 30 to predict 30-day mortality was also developed. The risk was considered to be low with 0-2 points (0%-2.1%), moderate with 3-5 (4.7%-6.3%), high with 6-8 (10.6%-19.5%) and very high with 9-30 (27.7%-100%).
Conclusions
A simple prediction score, based on readily available clinical and laboratory data, provides a useful tool to predict 30-day mortality probability with a high degree of accuracy among hospitalised patients with COVID-19.